Pea gravel and pebbles can weigh down windowboxes. Empty water bottles are a lightweight option. Place rinsed bottles inside the planter and add soil on top of them. The space between the bottles will allow proper drainage without the extra weight.
Have you ever seen window boxes that looked gorgeous as well as some that looked overgrown or lopsided or water-logged?What is the key to successful and beautiful boxes? Here are a few tips to help you in your Pick window boxes that have
Window Box Ideas « Hyannis Country GardenThis box is a simple mix of whites and greens. White petunias, Sutera and Lobelia are almost covering the three dwarf boxwood plants that were in the box all winter.